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Java > Open Source Codes > org > objectweb > proactive > core > event > BodyEventProducerImpl


1 /*
2 * ################################################################
3 *
4 * ProActive: The Java(TM) library for Parallel, Distributed,
5 * Concurrent computing with Security and Mobility
6 *
7 * Copyright (C) 1997-2002 INRIA/University of Nice-Sophia Antipolis
8 * Contact: proactive-support@inria.fr
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 * USA
24 *
25 * Initial developer(s): The ProActive Team
26 * http://www.inria.fr/oasis/ProActive/contacts.html
27 * Contributor(s):
28 *
29 * ################################################################
30 */
31 package org.objectweb.proactive.core.event;
32
33 import org.objectweb.proactive.core.body.UniversalBody;
34
35 public class BodyEventProducerImpl extends AbstractEventProducer {
36
37   public BodyEventProducerImpl() {}
38
39   public void fireBodyCreated(UniversalBody b) {
40     if (hasListeners())
41       notifyAllListeners(new BodyEvent(b, BodyEvent.BODY_CREATED));
42   }
43
44   public void fireBodyRemoved(UniversalBody b) {
45     if (hasListeners())
46       notifyAllListeners(new BodyEvent(b, BodyEvent.BODY_DESTROYED));
47   }
48
49   public void fireBodyChanged(UniversalBody b) {
50     //System.out.println("fireBodyChanged from AbstractBody active="+b.isActive());
51 if (hasListeners())
52       notifyAllListeners(new BodyEvent(b, BodyEvent.BODY_CHANGED));
53   }
54   
55   //
56 // -- implements BodyEventProducer -----------------------------------------------
57 //
58
59   public void addBodyEventListener(BodyEventListener listener) {
60     addListener(listener);
61   }
62
63   public void removeBodyEventListener(BodyEventListener listener) {
64     removeListener(listener);
65   }
66
67   //
68 // -- PROTECTED METHODS -----------------------------------------------
69 //
70
71   protected void notifyOneListener(ProActiveListener listener, ProActiveEvent event) {
72     BodyEvent bodyEvent = (BodyEvent) event;
73     switch (bodyEvent.getType()) {
74       case BodyEvent.BODY_CREATED :
75          ((BodyEventListener) listener).bodyCreated(bodyEvent);
76         break;
77
78       case BodyEvent.BODY_DESTROYED :
79          ((BodyEventListener) listener).bodyDestroyed(bodyEvent);
80         break;
81
82       case BodyEvent.BODY_CHANGED :
83          ((BodyEventListener) listener).bodyChanged(bodyEvent);
84         break;
85     }
86   }
87   
88 } // end class BodyEventProducerImpl
89
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